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FBWF Overview

Writing to storage media may be undesirable or impossible in embedded devices. FBWF redirects all writes targeted for protected volumes to a RAM cache called an overlay. Used in this context, an overlay is similar to a transparency overlay on an overhead projector. Any change made to the overlay affects the picture as seen in the aggregate, but if the overlay is removed, the underlying picture remains unchanged.

In This Section

FBWF Operation
Provides a high level description of how FBWF works.
FBWF and EWF
Compares FBWF and EWF features
Advantages of FBWF
Provides advantages of FBWF over EWF

Related Sections

Enhanced Write Filter
Describes the EWF Help topics.

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